3506974056 has 56 divisors (see below), whose sum is σ = 9858870930. Its totient is φ = 1168989408.

The previous prime is 3506974033. The next prime is 3506974139. The reversal of 3506974056 is 6504796053.

3506974056 is a `hidden beast` number, since 3 + 506 + 97 + 4 + 0 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2715452100 + 791521956 = 52110^2 + 28134^2 .

It is a super-2 number, since 2×3506974056² = 24597734058914182272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 294835 + ... + 306498.

Almost surely, 2^3506974056 is an apocalyptic number.

3506974056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3506974056 is an abundant number, since it is smaller than the sum of its proper divisors (6351896874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3506974056 is an equidigital number, since it uses as much as digits as its factorization.

3506974056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601357 (or 601338 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 3506974056 is about 59219.7100296852. The cubic root of 3506974056 is about 1519.3022617087.

The spelling of 3506974056 in words is "three billion, five hundred six million, nine hundred seventy-four thousand, fifty-six".